how to reset check engine light after replacing mass air flow sensor

Sunday, August 21, 2022 Edit

The task is very simple if you have the correct tools and software to do it the right way. This is very important if you have just used the car.

Chevy Mass Air Flow Maf Sensor Replacement Guide

If you dont have any contact cleaner on hand using WD-40 or another similar product will work in a pinch.

. Most people especially at home fail to replace the sensor correctly resulting in the check engine light returning. Next turn the ignition to the o position but not crank the engine yet. However the check engine light just came back on again and is reading the same code for the mass air flow sensor.

Plug in the MAF sensor and turn the engine on. Up to 8 cash back First check to see what codes are being set which cause the Check Engine light to illuminate. First to cool your cars engine down you need to turn it off.

Can someone please help. Idling The Engine. If it is the MAF and cleaning it was unsatisfactory it will be need to be replaced.

Hence when some codes are not in sync with the vehicles computer you will have the check engine light showing up again. IF you get another MAF code with the new sensor and after batt disconnect Your air filter is clogged. First locate the MAF sensor.

The check engine light will blink and then it will shut off. Wait for about five minutes and then reinsert the fuse. After replacing your mass airflow sensor allow your car to idle for 30 minutes to an hour disconnect the car battery for 10 to 15 minutes and reconnect it.

The codes are an essential tool in helping a technician detect a problem with the MAF sensor. This problem may or may not be caused by the mass airflow sensor. If check engine light code P0172 persists after you have inspected the air intake system and cleaned the Mass Air Flow MAF Sensor perform a fuel pressure test.

If you need to replace it with a new one install the new sensor instead of the old maf sensor. Tried replacing the spark plugs and the air mass flow sensor but the problem still persists. You can decide to clean up your old mass air flow sensor or get a new one.

It will be near the intake manifold or throttle body and it will likely have a large electrical connector going to it. I went and replaced the sensor and then cleared the code. You now have to take the MAF out to clean it.

Read customer reviews find best sellers. Resetting the Mass Air Flow Sensor by Disconnecting the Battery Remove the old MAF sensor and replace it with a new one Before you connect the sensor with its harness disconnect the battery from the ground cable Leave it like that for around 10 minutes The whole system will be reset now. Below is a detailed explanation of the steps you need to perform after resetting the mass airflow sensor.

Turn back the engine but leave it on idle for about 10 seconds. T tempestv8 Registered Joined Oct 6 2005 241 Posts 9 Oct 7 2011 I bought a 2004 X3 recently and even though the Check Engine light was not on I did buy a can of Mass Air Flow sensor cleaner and cleaned the MAF. The MAF is located along the intake pipe directly after the air filter.

Then pull the fuse for the ECU using the fuse pullers in the fuse panel. If the car dies when you disconnect the mass airflow sensor then that means it was working right and that your computer has issues. I have a 2015 Nissan Sentra SR and a while back the check engine light came on and read code P0101 for mass air flow sensor.

Next spray a small amount of contact cleaner into the electrical connector. Switch off the ignition. This is an indication that your ECU is reset.

Also if the computer isnt the issue then it means one of the other sensors is probably off if the car isnt able to. How to Reset Mass Airflow Sensor. After you changed the MAF you needed to clear your code Without a tool you simply disconnect the battery for a few minutes.

Then test the vehicle. You have two choices to make. Browse discover thousands of brands.

How To Reset Check Engine Light After Replacing Mass Air Flow Sensor - Cleaned the maf sensor and unhooked battery to reset the computer check engine light came back on after a short drive. If the new MAF doesnt detect proper airflow it will register as a bad MAF. Turn off the engine and reconnect the disconnected harness connector of.

A defective replacement is one of the most prevalent causes of a check engine light appearing following a MAF sensor repair. Free easy returns on millions of items. It isnt able to use the tables programmed in it to guess the amount of fuel needed.

The reason you need to do this is for the computer to reset. Clean up or replace the mass air flow sensor. Do not touch the filaments while cleaning it.

Disconnect the harness connector from the mass airflow sensor. After the engine cools down you can go to the mass air flow sensor location and remove the connector from the sensors harness. Replacing the affected sensors is the best solution.

Ad Free shipping on qualified orders. If you have good reasons to believe your old air flow sensor is no longer in good condition get a.

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